The purpose of the PTs is to assess the ability of National Reference Laboratories (NRLs) to perform Capripox Virus serological and/or molecular diagnosis using their primary diagnostic assay(s). Planned time-line: Invitation to participate in PT 2014: February 2024 Deadline for registration: March 2024 Shipment of PT panels: May 2024 EReporting of test results from NRLs to EURL: June 2024 Report on PT results from EURL to NRLs: October 2024